45550442 has 16 divisors (see below), whose sum is σ = 81482112. Its totient is φ = 18672720.

The previous prime is 45550409. The next prime is 45550457. The reversal of 45550442 is 24405554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70409 + ... + 71052.

It is an arithmetic number, because the mean of its divisors is an integer number (5092632).

Almost surely, 2^45550442 is an apocalyptic number.

45550442 is a deficient number, since it is larger than the sum of its proper divisors (35931670).

45550442 is a wasteful number, since it uses less digits than its factorization.

45550442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141493.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 45550442 is about 6749.1067557122. The cubic root of 45550442 is about 357.1337262885.

Adding to 45550442 its reverse (24405554), we get a palindrome (69955996).

The spelling of 45550442 in words is "forty-five million, five hundred fifty thousand, four hundred forty-two".